/* Footer layout */
.site-footer { background:#0f1724; color:#e6eefc; padding:40px 0; font-family: 'Poppins', sans-serif; }
.footer-inner { max-width:1100px; margin:0 auto; display:grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 0 20px; align-items:start; }

/* columns */
.footer-col { padding: 8px 0; }
.footer-title { font-size:1.05rem; margin:0 0 12px; color:#fff; font-weight:700; }

/* Useful links */
.footer-links-list { list-style:none; margin:0; padding:0; display:grid; grid-template-columns: 1fr 1fr; gap:8px 12px; }
.footer-links-list li { display:flex; align-items:center; gap:8px; }
.footer-links-list a { color:#dbe9ff; text-decoration:none; font-size:0.95rem; }
.footer-links-list a:hover, .footer-links-list a:focus { color:#ffffff; text-decoration:underline; }

/* icons */
.material-symbols-outlined { font-variation-settings: 'FILL' 0, 'wght' 600; color:#8fbfff; font-size:20px; }

/* social links */
.social-list { display:flex; gap:12px; align-items:center; margin-bottom:12px; }
.social-link img { width:44px; height:44px; object-fit:contain; filter:grayscale(30%); transition:filter .18s ease, transform .18s ease; border-radius:6px; }
.social-link img:hover, .social-link img:focus { filter:grayscale(0%); transform:translateY(-3px); }

/* brand image */
.brand-block { margin-top:8px; }
.brand-image { border-radius:8px; display:block; }

/* small metadata */
.last-updated, .copyright { font-size:0.9rem; color:#bcd7ff; margin-top:12px; }

/* mobile responsiveness */
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap:18px; text-align:center; }
  .footer-links-list { grid-template-columns: 1fr; justify-items:center; }
  .footer-links-list li { justify-content:center; }
  .social-list { justify-content:center; }
  .brand-image { margin: 0 auto; }
}

/* focus ring */
a:focus, button:focus { outline: 3px solid rgba(13,110,253,0.16); outline-offset:3px; }